Headphone



FIG. 1 is a front elevational view of a headphone showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a perspective view thereof; the speaker is conventional, theopposite perspective view is a mirror image.

The broken lines shown in FIGS. 1-4 & 6 form no part of the claimeddesign.

CLAIM The ornamental design for a headphone, as shown and described.